20102558

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 35610624

約数和(自身を除く): 15508066

約数列:

[1, 2, 7, 14, 47, 94, 137, 223, 274, 329, 446, 658, 959, 1561, 1918, 3122, 6439, 10481, 12878, 20962, 30551, 45073, 61102, 73367, 90146, 146734, 213857, 427714, 1435897, 2871794, 10051279, 20102558]

約数ペア:

[(1, 20102558), (2, 10051279), (7, 2871794), (14, 1435897), (47, 427714), (94, 213857), (137, 146734), (223, 90146), (274, 73367), (329, 61102), (446, 45073), (658, 30551), (959, 20962), (1561, 12878), (1918, 10481), (3122, 6439)]